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Finding the Fourth Proportional to 9,965.93, 14,950.11 and 4,126.64

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Solution

The fourth proportional to 9,965.93, 14,950.11 and 4,126.64 is: 6,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.93 : 14,950.11 = 4,126.64 : x
  2. Step 2: Convert to fraction form
    9,965.93/14,950.11 = 4,126.64/x
  3. Step 3: Cross multiply
    9,965.93x = 14,950.11 × 4,126.64
  4. Step 4: Simplify right side
    9,965.93x = 61,693,721.93
  5. Step 5: Solve for x
    x = 61,693,721.93/9,965.93
  6. Step 6: Final answer
    x = 6,190.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.